From f2ce6fc09d05f6a654712c0a5ef3be59f6f711af Mon Sep 17 00:00:00 2001
From: "(Tim) Efthimis Kritikos" <efkf@firemail.cc>
Date: Mon, 22 Jan 2024 12:11:07 +0000
Subject: [PATCH] Initial commit: created project skeleton

---
 .gitignore |  2 ++
 Makefile   | 11 +++++++++++
 README.md  |  2 ++
 gui.c      | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 gui.h      |  3 +++
 main.c     | 30 ++++++++++++++++++++++++++++++
 simdata.c  | 14 ++++++++++++++
 simdata.h  |  6 ++++++
 8 files changed, 118 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 README.md
 create mode 100644 gui.c
 create mode 100644 gui.h
 create mode 100644 main.c
 create mode 100644 simdata.c
 create mode 100644 simdata.h

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fb596ee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+first
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1bb8525
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+all:first
+
+first:gui.o main.o simdata.o
+	gcc $^ -fsanitize=address -lncurses -ltinfo -o $@
+
+%.o:%.c
+	gcc -c $< -Wall -Wextra -Werror -fsanitize=address
+
+.PHONY: clean
+clean:
+	rm -f gui.o main.o simdata.o
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..31c07e0
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+
+First - A simple computer architecture simulator for COMS30046
diff --git a/gui.c b/gui.c
new file mode 100644
index 0000000..e1daed0
--- /dev/null
+++ b/gui.c
@@ -0,0 +1,50 @@
+#include <ncurses.h>
+
+int terminal_width;
+int terminal_height;
+
+WINDOW *tabs;
+
+int get_terminal_size(){
+	int new_height,new_width;
+	getmaxyx(stdscr,new_height,new_width);
+	int changed=(new_width!=terminal_width)||(new_height!=terminal_height);
+	terminal_width=new_width;
+	terminal_height=new_height;
+	return changed;
+}
+
+int gui_ncurses_refresh(){
+	if(refresh()==ERR)
+		return 1;
+	if(wrefresh(tabs)==ERR)
+		return 1;
+	return 0;
+}
+
+int start_gui(){
+	if(!initscr())
+		return 1;
+	curs_set(0);
+	get_terminal_size();
+	mvprintw((terminal_height-3)/2+3,terminal_width/2-15,"Initialising the simulator...");
+	tabs = newwin(3,terminal_width,0,0);
+	box(tabs, 0 , 0);
+	mvwprintw(tabs,1,2,"[ 0 Overview ]");
+	mvwprintw(tabs,1,17," 1 Memory  ");
+	if(gui_ncurses_refresh())
+		return 1;
+	return 0;
+}
+
+int gui_continue_request(){
+	if(getch()==ERR)
+		return 1;
+	return 0;
+}
+
+int end_gui(){
+	if(endwin()==ERR)
+		return 1;
+	return 0;
+}
diff --git a/gui.h b/gui.h
new file mode 100644
index 0000000..75b71ab
--- /dev/null
+++ b/gui.h
@@ -0,0 +1,3 @@
+int start_gui();
+int gui_continue_request();
+int end_gui();
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..9d97055
--- /dev/null
+++ b/main.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include "gui.h"
+#include "simdata.h"
+
+int main(){
+	struct simdata_t *simdata = init_simdata();
+	if(!simdata){
+		printf("failed to initialise simdata");
+		return 1;
+	}
+	if(start_gui()){
+		printf("Failed on start_gui()\n");
+		free_simdata(simdata);
+		return 1;
+	}
+	if(gui_continue_request()){
+		printf("Failed on gui_continue_request()\n");
+		free_simdata(simdata);
+		return 1;
+	}
+
+	if(end_gui()){
+		printf("Failed on end_gui()\n");
+		free_simdata(simdata);
+		return 1;
+	}
+
+	free_simdata(simdata);
+	return 0;
+}
diff --git a/simdata.c b/simdata.c
new file mode 100644
index 0000000..6e6d71b
--- /dev/null
+++ b/simdata.c
@@ -0,0 +1,14 @@
+#include <stdlib.h>
+#include "simdata.h"
+
+struct simdata_t *init_simdata(){
+	struct simdata_t * ret=malloc(sizeof(struct simdata_t));
+	if(ret){
+		ret->current_clock=0;
+	}
+	return ret;
+}
+
+void free_simdata(struct simdata_t *p){
+	free(p);
+}
diff --git a/simdata.h b/simdata.h
new file mode 100644
index 0000000..c6e15ae
--- /dev/null
+++ b/simdata.h
@@ -0,0 +1,6 @@
+struct simdata_t{
+	long unsigned int current_clock;
+};
+struct simdata_t *init_simdata();
+
+void free_simdata(struct simdata_t *);